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Sequential Doping o...
Sequential Doping of Ladder-Type Conjugated Polymers for Thermally Stable n-Type Organic Conductors
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- Wang, Suhao (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Ruoko, Tero-Petri (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Wang, Gang (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Riera-Galindo, Sergi (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Hultmark, Sandra, 1994 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Sweden
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- Puttisong, Yuttapoom (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Moro, Fabrizio (author)
- Linköpings universitet,Ytors Fysik och Kemi,Tekniska fakulteten
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- Yan, Hongping (author)
- SLAC Natl Accelerator Lab, CA 94025 USA
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- Chen, Weimin (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Berggren, Magnus (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Müller, Christian, 1980 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Sweden
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- Fabiano, Simone (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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(creator_code:org_t)
- 2020-11-12
- 2020
- English.
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In: ACS Applied Materials & Interfaces. - : American Chemical Society (ACS). - 1944-8252 .- 1944-8244. ; 12:47, s. 53003-53011
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Abstract
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- Doping of organic semiconductors is a powerful tool to optimize the performance of various organic (opto)electronic and bioelectronic devices. Despite recent advances, the low thermal stability of the electronic properties of doped polymers still represents a significant obstacle to implementing these materials into practical applications. Hence, the development of conducting doped polymers with excellent long-term stability at elevated temperatures is highly desirable. Here, we report on the sequential doping of the ladder-type polymer poly(benzimidazobenzophenanthroline) (BBL) with a benzimidazole-based dopant (i.e., N-DMBI). By combining electrical, UV-vis/infrared, X-ray diffraction, and electron paramagnetic resonance measurements, we quantitatively characterized the conductivity, Seebeck coefficient, spin density, and microstructure of the sequentially doped polymer films as a function of the thermal annealing temperature. Importantly, we observed that the electrical conductivity of N-DMBI-doped BBL remains unchanged even after 20 h of heating at 190 °C. This finding is remarkable and of particular interest for organic thermoelectrics.
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- sequential doping
- conjugated polymers
- organic thermoelectrics
- thermal stability
- n-doping
- ladder-type polymers
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Wang, Suhao
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Ruoko, Tero-Petr ...
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Wang, Gang
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Riera-Galindo, S ...
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Hultmark, Sandra ...
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Puttisong, Yutta ...
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show more...
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Moro, Fabrizio
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Yan, Hongping
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Chen, Weimin
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Berggren, Magnus
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Müller, Christia ...
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Fabiano, Simone
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Inorganic Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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ACS Applied Mate ...
- By the university
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Chalmers University of Technology
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Linköping University